"ENERGY: MIT claims advance in wireless power transfer"

Researchers are claiming that the obstacles to wireless power transfer can be overcome—at least at distances up to 12 feet. The Massachusetts Institute of Technology announced the development of wireless power beacons on Tuesday (Nov. 14) at the American Institute of Physics' Industrial Physics Forum in San Francisco. MIT claims that historical obstacles to wireless power transfer through space are surmountable, and perhaps enable the wireless recharging of batteries. Called "nonradiative resonant energy transfer," the technique harnesses omnidirectional energy beacons without the requirement for unobstructed line-of-sight. The technique wastes no energy and is eco-friendly, MIT claimed. In MIT's scheme, power from energy beacons would pass through everything but their intended targets by virtue of resonant power antennas tuned to the power beacon's frequency, ensuring that little energy is lost or would adversely affect the environment.
Text: http://www.eetimes.com/showArticle.jhtml?articleID=194300318